Integrated battery charging ICs from Texas Instruments intended for use with Lithium-Ion & Lithium-Polymer cells. These devices provide a complete charging and monitoring solution and include internal power devices capable of supplying charging currents of up to several amps.
Feature
- High Efficiency 4.5-A Switch Mode Charger
- 92% Charge Efficiency at 2 A, 90% at 4 A
- Accelerate Charge Time by Battery Path Impedance
Compensation
- Compatible with MaxLife Technology for Faster
Charging When Used in Conjunction With bq27531 - Highest Battery Discharge Efficiency with 12-mΩ
Battery Discharge MOSFET up to 9-A Discharge Current - Single Input USB-compliant/Adapter Charger
- USB Host or Charging Port D+/D- Detection
Compatible to USB Battery Charger Spec 1.2 - Input Voltage and Current Limit Supports USB2.0
and USB3.0 - Input Current Limit: 100 mA, 150 mA, 500 mA, 900 mA,
1.2 A, 1.5 A, 2 A and 3 A
- USB Host or Charging Port D+/D- Detection
- 3.9-V to 17-V Input Operating Voltage Range
- Support All Kinds of Adapter with Input
Voltage DPM Regulation
- Support All Kinds of Adapter with Input
- USB OTG 5 V at 1.3-A Synchronous Boost Converter
Operation- 93% 5-V Boost Efficiency at 1 A
- Narrow VDC (NVDC) Power Path Management
- Instant-on Works with No Battery or Deeply
Discharged Battery - Ideal Diode Operation in Battery Supplement Mode
- Instant-on Works with No Battery or Deeply
- 1.5-MHz Switching Frequency for Low Profile Inductor
- Autonomous Battery Charging with or without Host
Management- Battery Charge Enable
- Battery Charge Preconditioning
- Charge Termination and Recharge
- High Accuracy (0°C to 125°C)
- ±0.5% Charge Voltage Regulation
- ±7% Charge Current Regulation
- ±7.5% Input Current Regulation
- ±2% Output Regulation in Boost Mode
- High Integration
- Power Path Management
- Synchronous Switching MOSFETs
- Integrated Current Sensing
- Bootstrap Diode
- Internal Loop Compensation
- Safety
- Battery Temperature Sensing and Charging
Safety Timer - Thermal Regulation and Thermal Shutdown
- Input System Over-Voltage Protection
- MOSFET Over-Current Protection
- Battery Temperature Sensing and Charging
- Charge Status Outputs for LED or Host
Processor - Low Battery Leakage Current and Support Shipping
Mode - 4.00 mm × 4.00 mm VQFN-24 Package
